Release Date :2006Genre : Comedy , Drama , Adventure , Fantasy , Animation , Action , Romance , School , Supernatural , ShounenNo. of episodes :52Description : One day, Muto Kazuki, a high school boy, saves a girl being assaulted by a big monster, but he is stabbed to death by the monster. However, the next morning, he finds he is alive. He wanders it was just a dream, but he meets the monster aga .